LETTER ATTACHED

MAHANAGAR TELEPHONE NIGAM LIMITED (A GOVERNMENT OF INDIA ENTERPRISE) CIN L32101DL1986GOI023501 Registered and Corporate Office: Mahanagar Doorsanchar Sadan 5th Floor, 9 CGO Complex, Lodhi Road, New Delhi - 110 003. Tel: 011-24319020, Fax: 011-24324243, Website: www.mtnl.in, Email: mtnlcsco@gmail.com MTNL/SECTT/SE/2026 October 23, 2026 The Listing Department, Bombay Stock Exchange (BSE) REF: BSE SYMBOL: 500108 SUB: CLARIFICATION ON INCREASE IN VOLUME – MAHANAGAR TELEPHONE NIGAM LIMITED Ref: BSE LETTER NO: L/SURV/ONL/PV/SJ/ 2026-2027 / 462 dated on 23.10.2026 Dear Sir, With reference to above captioned subject related to movement in price of equity shares of the Company i.e. Mahanagar Telephone Nigam Limited (MTNL), kindly note that as per Regulation 30 of SEBI (LODR) Regulation, 2015 as amended from time to time the Company has duly informed the recognized Stock Exchanges i.e. NSE and BSE of all the events, information that have bearing on the operations/performance of the Company including price sensitive information. Apart from above mentioned information there is no pending information or announcement from the Company side. Therefore, whatever the movement in the price of equity shares of the Company is purely due to market conditions and absolutely market driven event and the Management of the Company is in no way connected with it. We hope your good office might be satisfied by the reply given above. Kindly acknowledge the receipt of the same and take the same on record. Thanking you Yours Faithfully, (RATAN MANI SUMIT) COMPANY SECRETARY